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Author: Balaji / Amar /
Nitin / Umapathi /
Deepak
Page: 91 of 138
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TATA MOTORS Ltd.
This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author.
U0100-08:- Lost communication with ECM- Message Timeout Failure
Overview:-
ISO Code
U0100-08
Customer Symptom
CE Lamp ON,MIL Lamp ON
Fault Effects (On Vehicle)
Engine speed, Coolant gauge, Fuel computer, OAT info
cannot be displayed on IPC.
Lamp Status (If Any)
CE Lamp ON,MIL Lamp ON
Fault Detection Condition
1.ECM connector is not connected properly or
disconnected from its location
2. CAN Stub wire from ECM connector side is
disconnected.
3. ECM ECU is not powered up.
Normal Operating Condition
ECM ECU communicates properly TML diagnostic Tool.
Probable Trouble Area
Disconnection of the ECM connector
Healing Condition
To fix the ECM connector correctly and Fix the wiring
harness issues from ECM side.
Trouble Shooting:-